Messages in this thread | | | From | John Cochran <> | Subject | Re: Unswappable memory needed is user space | Date | Wed, 9 Dec 1998 14:08:07 -0500 (EST) |
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On Tue, 8 Dec 1998, David F. Newman wrote:
[snip ...]
> I was always under the impression that it was ok if you first > write all 0s and then all 1s and then 0s and 1s and then 1s and > 0s over the existing data. Although you don't know if the data > has been moved around on the filesystem because of disk optimizing. > I suppose you could use an encrypted file system. I don't know > if you can do that on Linux, however.
For information on secure deleting of data from magnetic media look at:
http://ftp.sunet.se/pub/unix/security/secure_del.html
After having read the above, I believe that the best device to erase a hard disk is a smelter...
Later, John Cochran
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